CODEWITHSUNDEEP
visual-studio
user2165599
user2165599

Reputation: 1

How do I open an unrecognized version .sln file in Visual Studio 2010?

I am new to web development, and have been having a considerable amount of trouble trying to get my asp.net project running using Visual Studio 2010. Please help.

I am working on a web development project that references a database using SQL 2008 R2. I was having problems with turning on/off features on my computer, the asp.net and .net features, etc. I would get an error that read "An error has occurred. Not all of the features were successfully changed." I tried several solutions to fix this, and none worked. I ended up using a cleanup tool I found online, it said use as a last resort, which is where I was at.

Here is the link: http://cid-27e6a35d1a492af7.skydrive.live.com/self.aspx/Blog_Tools/dotnetfx_cleanup_tool.zip

This ended up fixing my problems with the features, but then I was not able to use Visual Studio 2010. I got an error "Cannot create the window". To fix this I ended up reinstalling Visual Studio 2010. Now I am again running into the problem where I cannot turn on the asp.net and .net features with the same error as before.

Now that is not my only problem, I cannot open my project solution file. It is giving me 2 errors when i open the .sln file "The selected file is a solution file, but was created by a newer version of the application and cannot be opened." and "The system cannot find the file specified." in that order. The .sln file says it is an unrecognized version.

I have previously worked on this project using Visual Studio 2010, before I tried to fix the problems with the features. I can still open other .sln files that I worked on before, but they do not reference outside sources. I have tried opening the .sln file in notepad and changing the version from 12.00 to 11.00 (on line 1) and changing #Visual Studio 2012 to #Visual Studio 2010 (on line 2). I need to work on this project as soon as possible. Any help would be great.

Will someone help me identify the problem? How can this problem be fixed?

Upvotes: 0

Views: 4155

Answers (1)

AaronS
AaronS

Reputation: 7713

You don't necessarily have to use an existing solution. A solution file just references a bunch of projects and groups them together.

I would suggest you create a new blank solution and then add all of your existing projects into that one, assuming you don't have a similar issue with adding in the projects as well.

Upvotes: 1

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